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Crypto Wallet Development Services
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Crypto Wallet Development Services

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Backbone.js 9yr.
TypeScript 8yr.
SQL/NoSQL 3yr.
Express 3yr.
AWS 2yr.
...
10+ years of experience in web development, M.Sc in Software Engineering, GAI, LLMs Front-End: Angular, React, Vue.js (JavaScript & TypeScript) Back-End: Node.js, Next.js, TypeScript , PHP Mobile: React Native AWS Cloud infrastructure Control systems (e.g., Git) and familiarity with DevOps practices for continuous integration and deployment (CI/CD). Unit testing, integration testing, and end-to-end testing. Experience leading and mentoring a team of developers, including assigning tasks, providing guidance, and ensuring the team's success. Ability to motivate and inspire team members, resolve conflicts, and provide constructive feedback. Experience conducting assessments and interviews remotely.
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Expert
Lagos, Nigeria
Node.js
React
...
- Software Engineer with 5+ years of commercial experience in the IT industry using front-end and back-end technologies - Experience in working on cryptocurrency projects - Good knowledge of OOP - Experience in using Design patterns - Upper-Intermediate English - Available ASAP
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Senior
Poltava, Ukraine
React 5yr.
TypeScript 5yr.
Ext JS 3yr.
...
  • Senior Frontend Engineer with 6+ years of expertise in React.js, Next.js, TypeScript, and modern frontend architectures, delivering high-performance trading interfaces and blockchain-enabled applications.
  • Proficient in state management (Redux Toolkit, MobX), UI frameworks (Tailwind CSS, Material UI), and Web3 integrations including wallet connections and smart contract interactions.
  • Led development of scalable crypto exchange platforms with real-time data processing, multi-currency wallet management, and KYC/AML compliance workflows.
  • Experienced in Agile methodologies, CI/CD pipelines, and test-driven development using Jest, React Testing Library, and Cypress to ensure robust, maintainable codebases.
  • Holds a Bachelor's degree in Information Technologies, with strong skills in backend (Node.js, NestJS), databases (MongoDB, PostgreSQL), and cloud DevOps (Docker, AWS, Azure).
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React 5yr.
TypeScript 5yr.
Node.js 5yr.
Vue.js 4yr.
Angular 3yr.
...
  • Senior JS Full-Stack Engineer with 6+ years, delivering scalable fintech, Web3, and SaaS applications.
  • Expertise in designing and optimizing REST APIs, microservices, and database schemas using PostgreSQL, MongoDB, and Redis, improving response times by up to 40%.
  • Proven track record in cloud-native deployments on AWS with Docker and CI/CD pipelines, achieving 95%+ automated test coverage and low defect rates.
  • Strong focus on clean architecture, performance optimization, and scalable system design demonstrated through complex projects like decentralized email platforms and real-time cryptocurrency analytics.
  • Applying best practices in automated testing and collaborative code reviews.
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Senior
Yerevan, Armenia
ETH (Ethereum blockchain)
Binance
BSC
Tron
...
- 10+ years of IT industry - Highly skilled software engineer with experience leading operations in software development projects. - Proficient in project management methodologies including Agile development with a focus on reducing costs and shortening process times. - Upper-intermediate English - Available ASAP
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Senior
Lviv, Ukraine
JavaScript 8yr.
Node.js 8yr.
React 8yr.
AWS 8yr.
TypeScript
...
Yurii T. is a senior full-stack developer with 8 years of experience in software development and business. He has a strong background in computer science and is proficient in HTML5, CSS3 with SCSS, JavaScript ES6+, and TypeScript. Yurii has expertise in various frameworks and technologies such as Node.js, Koa.js, Nest.js, React.js, Redux-Saga, MongoDB, PostgreSQL, MySQL, Docker, Docker Swarm, Kubernetes, AWS, GCP, Azure, GitLab CI, Jenkins, CIRCLECI, AngularJS, Angular 2+, and Ionic.He has worked on several projects, including Teroxx, where he developed an all-in-one cryptocurrency wallet app with features like registration, secure asset storage, coin-tracking, real-time transfers, and more. Yurii also contributed to the development of an internal cargo management system for an Italian logistic company, a comprehensive platform called Teamplate with chat, board, data room, calendar, and video call functionalities, and a delivery app called Lezzoo for ordering food, pharmacy items, groceries, and taxis.Yurii is experienced in using Apache Kafka, GRPC, Mocha.js, Jest.js, SNYK, Unit Tests, Twitter Bootstrap, Angular Material, React.js Material-UI, React Bootstrap, SASS, SCSS, LESS, Mongoose, Squelize, Typeorm, Gulp, Grunt, Webpack, MySQL, Oracle PLSQL, Redis, Elasticsearch, Memcached, and KSQL.He has also worked on projects like QueenCar, a ride-sharing app, Nimbla, a web app for invoice insurance, Shift, a delivery and transport marketplace, and The Hub, a community platform for creators.Yurii's technical skills, extensive experience, and proficiency in various programming languages, frameworks, and tools make him a standout candidate for software engineering positions. He has a strong understanding of software development methodologies, principles, paradigms, and patterns, and follows industry-standard software development practices.
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Senior
Kyiv, Ukraine
TypeScript 5yr.
React 5yr.
Node.js 5yr.
...
  • Senior Software Engineer with 9+ years specializing in blockchain wallet development, SDK integrations, and scalable cloud-native systems.
  • Key contributor to Lace Wallet at Input Output Group, enhancing Cardano wallet features, transaction reliability, and integrating privacy-preserving ZKP blockchain (Midnight).
  • Proficient in TypeScript, React, Node.js, PostgreSQL, Redis, GraphQL, Docker, AWS, and Solidity, with strong expertise in refactoring legacy code and increasing test coverage.
  • Holds MSc in Computer Science, with proven ability to collaborate with cryptography and protocol teams to deliver secure, spec-compliant blockchain solutions.

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NFT 5yr.
Smart Contract
FDD
CI/CD
SOLID
...
Accomplished Blockchain Developer with over 5 years of expertise in designing and implementing advanced applications with a focus on blockchain technology, smart contract and dApp development. Strengths include hands-on experience with PoS/PoA sidechains, Ethereum, Binance, Tron, and a plethora of ERC standards, backed by robust skills in Golang, JavaScript, Solidity, and cloud technologies. Proficient in fostering innovative database design, API development, and server management, which are further enhanced by a seasoned track record in deploying blockchain solutions on AWS and GCP. Distinguished by participation in high-profile projects like decentralized exchanges and NFT platforms, showcasing not only technical prowess but also effective collaboration with cross-functional global teams and deployment of CI/CD pipelines.
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Senior
Indore G.P.O., India

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Bringing 2M+ Wallet Ecosystem to the Next Level Decentralized Operating System.
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Want to hire Wallets (Integration & Transaction Signing) developer? Then you should know!

Table of Contents

How and where is Cryptocurrency Wallet used?

  • Secure Payment Processing: Secure financial transactions
  • Cryptocurrency Exchanges: Facilitate crypto trading
  • Decentralized Applications: Enable seamless app integration
  • Reward Programs: Manage loyalty points efficiently
  • Identity Verification: Verify user identities securely
  • Token Sales: Conduct token sales smoothly
  • Smart Contracts: Execute automated contract functions
  • Multi-Signature Wallets: Enhance security through multiple signatures
  • Mobile Wallet Integration: Enable mobile payments
  • Cross-Border Transactions: Facilitate international money transfers

Quick Facts about Wallets (Integration & Transaction Signing).

  • Bitcoin Improvement Proposal 32 introduced hierarchical deterministic wallets in 2012.
  • Cryptocurrency projects and blockchain applications commonly use wallet technology.
  • Developing wallet software requires understanding blockchain technology and cryptography.
  • Ethereum is one of the most popular platforms related to wallet development.
  • The first Bitcoin transaction involved buying two pizzas for 10,000 Bitcoins.

TOP Wallets (Integration & Transaction Signing) Related Technologies

  1. Ethereum (Vitalik, 2015)
  2. Hyperledger Fabric (Linux Foundation, 2016)
  3. Ripple (Ryan, Arthur, and David, 2012)
  4. Stellar (McCaleb, Joyce, Kim, 2014)
  5. Cardano (IOHK, 2017)

What are top Cryptocurrency Wallet (Integration & Transaction Signing) instruments and tools?

  • MetaMask: A browser extension by ConsenSys released in 2016
  • Trezor: Hardware wallet by SatoshiLabs released in 2014
  • Ledger Nano S: Hardware wallet by Ledger released in 2016
  • Coinbase Wallet: Mobile wallet by Coinbase released in 2018
  • Trust Wallet: Mobile wallet by Binance released in 2017
  • MyEtherWallet: Open-source wallet released in 2015
  • Exodus: Desktop wallet by Exodus Movement released in 2015
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FAQs on Wallets (Integration & Transaction Signing) Development

What is a Cryptocurrency Wallet Developer? Arrow

A Cryptocurrency Wallet (Integration & Transaction Signing) Developer is a specialist in the Wallets (Integration & Transaction Signing) framework/language, focusing on developing applications or systems that require expertise in this particular technology.

Why should I hire a Wallets (Integration & Transaction Signing) Developer through Upstaff.com? Arrow

Hiring through Upstaff.com gives you access to a curated pool of pre-screened Wallets (Integration & Transaction Signing) Developers, ensuring you find the right talent quickly and efficiently.

How do I know if a Wallets (Integration & Transaction Signing) Developer is right for my project? Arrow

If your project involves developing applications or systems that rely heavily on Wallets (Integration & Transaction Signing), then hiring a Wallets (Integration & Transaction Signing) Developer would be essential.

How does the hiring process work on Upstaff.com? Arrow

Post Your Job: Provide details about your project.
Review Candidates: Access profiles of qualified Wallets (Integration & Transaction Signing) Developers.
Interview: Evaluate candidates through interviews.
Hire: Choose the best fit for your project.

What is the cost of hiring a Cryptocurrency Wallet (Integration & Transaction Signing) Developer? Arrow

The cost depends on factors like experience and project scope, but Upstaff.com offers competitive rates and flexible pricing options.

Can I hire Wallets (Integration & Transaction Signing) Developers on a part-time or project-based basis? Arrow

Yes, Upstaff.com allows you to hire Wallets (Integration & Transaction Signing) Developers on both a part-time and project-based basis, depending on your needs.

What are the qualifications of Wallets (Integration & Transaction Signing) Developers on Upstaff.com? Arrow

All developers undergo a strict vetting process to ensure they meet our high standards of expertise and professionalism.

How do I manage a Wallets (Integration & Transaction Signing) Developer once hired? Arrow

Upstaff.com offers tools and resources to help you manage your developer effectively, including communication platforms and project tracking tools.

What support does Upstaff.com offer during the hiring process? Arrow

Upstaff.com provides ongoing support, including help with onboarding, and expert advice to ensure you make the right hire.

Can I replace a Wallets (Integration & Transaction Signing) Developer if they are not meeting expectations? Arrow

Yes, Upstaff.com allows you to replace a developer if they are not meeting your expectations, ensuring you get the right fit for your project.